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SPNU563A–March 2018
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Controller Area Network (DCAN) Module
Chapter 27
SPNU563A–March 2018
Controller Area Network (DCAN) Module
This chapter describes the controller area network (DCAN) module.
NOTE: This chapter describes a superset implementation of the DCAN module. Consult your
device-specific datasheet to identify the applicability of the DMA-related features, the number
of instantiations of the DCAN IP, and the number of mailboxes supported on your specific
device being used.
Topic ........................................................................................................................... Page
27.1 Overview........................................................................................................ 1418
27.2 CAN Blocks.................................................................................................... 1419
27.3 CAN Bit Timing............................................................................................... 1421
27.4 CAN Module Configuration .............................................................................. 1425
27.5 Message RAM................................................................................................. 1428
27.6 Message Interface Register Sets....................................................................... 1433
27.7 Message Object Configurations........................................................................ 1436
27.8 Message Handling........................................................................................... 1438
27.9 CAN Message Transfer.................................................................................... 1443
27.10 Interrupt Functionality.................................................................................... 1444
27.11 Global Power Down Mode............................................................................... 1446
27.12 Local Power Down Mode ................................................................................ 1447
27.13 GIO Support.................................................................................................. 1447
27.14 Test Modes ................................................................................................... 1449
27.15 SECDED Mechanism...................................................................................... 1453
27.16 Debug/Suspend Mode .................................................................................... 1454
27.17 DCAN Control Registers................................................................................. 1454
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